MedlinePlus: Quinapril - Features information about dosage, usage, warnings, and side effects. - http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a692026.html
Quinapril.com - The official site for the brand name drug, Accupril. Offers detailed information for this medication which is used to treat high blood pressure and heart failure. - http://www.quinapril.com/
Accupril - Full prescribing information from RxList. - http://www.rxlist.com/cgi/generic/quinap.htm